Battery Drain Question
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Battery Drain Question
Am I to understand from a couple other threads that there may be a problem starting these cars if parked for extended periods without a trickle charger/tender/massager? For instance, should I expect a starting failure if my F is parked in long term parking in Charlotte, NC while I'm on a two week vacation in February?
Maybe I'm missing something, but it seems if this is an actual possibility that Jaguar roadside assistance would be inundated with calls for assistance.
Oh, as an aside, just what is going on in these vehicles when parked that drains a battery so quickly?
Maybe I'm missing something, but it seems if this is an actual possibility that Jaguar roadside assistance would be inundated with calls for assistance.
Oh, as an aside, just what is going on in these vehicles when parked that drains a battery so quickly?
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Am I to understand from a couple other threads that there may be a problem starting these cars if parked for extended periods without a trickle charger/tender/massager? For instance, should I expect a starting failure if my F is parked in long term parking in Charlotte, NC while I'm on a two week vacation in February?
Maybe I'm missing something, but it seems if this is an actual possibility that Jaguar roadside assistance would be inundated with calls for assistance.
Oh, as an aside, just what is going on in these vehicles when parked that drains a battery so quickly?
Maybe I'm missing something, but it seems if this is an actual possibility that Jaguar roadside assistance would be inundated with calls for assistance.
Oh, as an aside, just what is going on in these vehicles when parked that drains a battery so quickly?
This is the reason that so many use a GOOD battery maintainer such as the CTEK to keep the battery fully charged. Every premium car manufacturer supplies these units as accessories under their own brand name for the reasons I have stated. This s not a "Jaguar" issue. If your battery is fully charged you will easily be able to leave it for a few weeks with no problem.
Lock your car when it is not in use...this shuts down the modules fully and more quickly than if the car is left unlocked. Do not keep the key close to the car. Use the car! And use it long enough to keep the battery charged (if the battery discharges you will get a warning on the dash to start the car). Finally, get and install a CTEK changer. End of concern on this issue.
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Your car will always start unless there is a significant and very usual problem. But modern cars, not just Jaguars, need full battery voltage to keep all the electronic modules working properly. If you drive your car regularly, and if you drive it long enough to keep the battery fully charged, there will be no problem. But in many cases these cars are used not on a daily basis, and the runs are not long enough to keep the battery properly charged. When the voltage drops you may find certain symptoms relating to electrical items: the touch screen freezing, locks or windows or seats or roof not operating as designed. There is nothing wrong with the car other than a battery issue!
This is the reason that so many use a GOOD battery maintainer such as the CTEK to keep the battery fully charged. Every premium car manufacturer supplies these units as accessories under their own brand name for the reasons I have stated. This s not a "Jaguar" issue. If your battery is fully charged you will easily be able to leave it for a few weeks with no problem.
Lock your car when it is not in use...this shuts down the modules fully and more quickly than if the car is left unlocked. Do not keep the key close to the car. Use the car! And use it long enough to keep the battery charged (if the battery discharges you will get a warning on the dash to start the car). Finally, get and install a CTEK changer. End of concern on this issue.
Just for grins though, exactly what modules would be active in a parked car (other than maybe the security system for a locked vehicle), and what would those modules be doing to draw power?
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Among other modules, elements of the climate control system remain active (you might be coming back to the car in 10 minutes and need quick cooling from the AC)...I have not researched this regarding the F-Type but on my previous car, the XK, several modules (according to the technical manual Jaguar produced for its techs) remain active for 36 minutes if left unlocked. If locked they are active for 6 minutes...others can speak of the arrangement on the F-Type.
Last edited by sov211; Dec 15, 2018 at 02:15 PM.
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That makes sense. Thanks for that.
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BTW, I've had my R AWD for nearly six months now, it lives outside and I've only put 1420 miles on, mostly short journeys (overall average 17.5727 mpg - yeah, I'm that sad!). I've never had a low battery warning, nor put my CTEK on her yet. She often goes three days without being used (much to my shame).
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BTW, I've had my R AWD for nearly six months now, it lives outside and I've only put 1420 miles on, mostly short journeys (overall average 17.5727 mpg - yeah, I'm that sad!). I've never had a low battery warning, nor put my CTEK on her yet. She often goes three days without being used (much to my shame).
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